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Unaudited Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands | GCI Acquisition [Member] Preferred Stock [Member] Series A Preferred Stock [Member] | GCI Acquisition [Member] Common Stock [Member] | GCI Acquisition [Member] Additional Paid-in Capital [Member] | GCI Acquisition [Member] AOCI Attributable to Parent [Member] | GCI Acquisition [Member] Retained Earnings [Member] | GCI Acquisition [Member] | Preferred Stock [Member] Series A Preferred Stock [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2019 |  |  |  |  |  |  | 0 | 20,825,452 |  |  |  |
Balance at Dec. 31, 2019 |  |  |  |  |  |  | $ 0 | $ 21 | $ 143,485 | $ 0 | $ (100,052) | $ 43,454
Stock based compensation |  |  |  |  |  |  | $ 0 | $ 0 | 2,258 | 0 | 0 | 2,258
Stock option exercises (in shares) |  |  |  |  |  |  | 0 | 410,793 |  |  |  |
Stock option exercises |  |  |  |  |  |  | $ 0 | $ 0 | 783 | 0 | 0 | 783
Cashless exercises of warrants (in shares) |  |  |  |  |  |  | 0 | 2,747,970 |  |  |  |
Cashless exercises of warrants |  |  |  |  |  |  | $ 0 | $ 3 | 33,108 | 0 | 0 | 33,111
Stock issued – on vested RSUs (in shares) |  |  |  |  |  |  | 0 | 88,390 |  |  |  |
Stock issued – on vested RSUs |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 0 | 0
Net income (loss) |  |  |  |  |  |  | 0 | 0 | 0 | 0 | 5,928 | 5,928
Stock issued as 2019 bonus payout |  |  |  |  |  |  | $ 0 | $ 0 | 314 | 0 | 0 | 314
Sale of common stock, net of fees (in shares) |  |  |  |  |  |  | 0 | 1,904,762 |  |  |  |
Sale of common stock, net of fees |  |  |  |  |  |  | $ 0 | $ 2 | 19,912 | 0 | 0 | 19,914
Warrant exercises (in shares) |  |  |  |  |  |  | 0 | 5,000 |  |  |  |
Warrant exercises |  |  |  |  |  |  | $ 0 | $ 0 | 81 | 0 | 0 | 81
Balance (in shares) at Jun. 30, 2020 |  |  |  |  |  |  | 0 | 25,982,367 |  |  |  |
Balance at Jun. 30, 2020 |  |  |  |  |  |  | $ 0 | $ 26 | 199,941 | 0 | (94,124) | 105,843
Balance (in shares) at Mar. 31, 2020 |  |  |  |  |  |  | 0 | 21,148,771 |  |  |  |
Balance at Mar. 31, 2020 |  |  |  |  |  |  | $ 0 | $ 21 | 145,432 | 0 | (77,744) | 67,709
Stock based compensation |  |  |  |  |  |  | $ 0 | $ 0 | 1,145 | 0 | 0 | 1,145
Stock option exercises (in shares) |  |  |  |  |  |  | 0 | 142,500 |  |  |  |
Stock option exercises |  |  |  |  |  |  | $ 0 | $ 0 | 293 | 0 | 0 | 293
Cashless exercises of warrants (in shares) |  |  |  |  |  |  | 0 | 2,747,970 |  |  |  |
Cashless exercises of warrants |  |  |  |  |  |  | $ 0 | $ 3 | 33,108 | 0 | 0 | 33,111
Stock issued – on vested RSUs (in shares) |  |  |  |  |  |  | 0 | 35,364 |  |  |  |
Stock issued – on vested RSUs |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 0 | 0
Net income (loss) |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | (16,380) | (16,380)
Sale of common stock, net of fees (in shares) |  |  |  |  |  |  | 0 | 1,904,762 |  |  |  |
Sale of common stock, net of fees |  |  |  |  |  |  | $ 0 | $ 2 | 19,912 | 0 | 0 | 19,914
Warrant exercises (in shares) |  |  |  |  |  |  | 0 | 3,000 |  |  |  |
Warrant exercises |  |  |  |  |  |  | $ 0 | $ 0 | 51 | 0 | 0 | 51
Balance (in shares) at Jun. 30, 2020 |  |  |  |  |  |  | 0 | 25,982,367 |  |  |  |
Balance at Jun. 30, 2020 |  |  |  |  |  |  | $ 0 | $ 26 | 199,941 | 0 | (94,124) | 105,843
Balance (in shares) at Dec. 31, 2020 |  |  |  |  |  |  | 0 | 33,039,146 |  |  |  |
Balance at Dec. 31, 2020 |  |  |  |  |  |  | $ 0 | $ 33 | 302,598 | 0 | (97,385) | 205,246
Stock issued as consideration in GCI acquisition (in shares) | 0 | 6,636,470 |  |  |  |  |  |  |  |  |  |
Stock issued as consideration in GCI acquisition | $ 0 | $ 7 | $ 232,734 | $ 0 | $ 0 | $ 232,741 |  |  |  |  |  |
Stock based compensation |  |  |  |  |  |  | $ 0 | $ 0 | 4,024 | 0 | 0 | 4,024
Stock option exercises (in shares) |  |  |  |  |  |  | 0 | 387,759 |  |  |  |
Stock option exercises |  |  |  |  |  |  | $ 0 | $ 1 | 607 | 0 | 0 | 608
Cashless exercises of warrants (in shares) |  |  |  |  |  |  | 0 | 70,030 |  |  |  |
Cashless exercises of warrants |  |  |  |  |  |  | $ 0 | $ 0 | 2,901 | 0 | 0 | 2,901
Stock issued – on vested RSUs (in shares) |  |  |  |  |  |  | 0 | 427,315 |  |  |  |
Stock issued – on vested RSUs |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 0 | 0
Foreign currency translation |  |  |  |  |  |  | 0 | 0 | 0 | 3 | 0 | 3
Net income (loss) |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 6,758 | 6,758
Balance (in shares) at Jun. 30, 2021 |  |  |  |  |  |  | 0 | 40,560,720 |  |  |  |
Balance at Jun. 30, 2021 |  |  |  |  |  |  | $ 0 | $ 41 | 542,864 | 3 | (90,627) | 452,281
Balance (in shares) at Mar. 31, 2021 |  |  |  |  |  |  | 0 | 33,634,194 |  |  |  |
Balance at Mar. 31, 2021 |  |  |  |  |  |  | $ 0 | $ 34 | 307,246 | 0 | (98,503) | 208,777
Stock issued as consideration in GCI acquisition (in shares) | 0 | 6,636,470 |  |  |  |  |  |  |  |  |  |
Stock issued as consideration in GCI acquisition | $ 0 | $ 7 | $ 232,734 | $ 0 | $ 0 | $ 232,741 |  |  |  |  |  |
Stock based compensation |  |  |  |  |  |  | $ 0 | $ 0 | 2,520 | 0 | 0 | 2,520
Stock option exercises (in shares) |  |  |  |  |  |  | 0 | 224,894 |  |  |  |
Stock option exercises |  |  |  |  |  |  | $ 0 | $ 0 | 364 | 0 | 0 | 364
Stock issued – on vested RSUs (in shares) |  |  |  |  |  |  | 0 | 65,162 |  |  |  |
Stock issued – on vested RSUs |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 0 | 0
Foreign currency translation |  |  |  |  |  |  | 0 | 0 | 0 | 3 | 0 | 3
Net income (loss) |  |  |  |  |  |  | $ 0 | $ 0 | 0 | 0 | 7,876 | 7,876
Balance (in shares) at Jun. 30, 2021 |  |  |  |  |  |  | 0 | 40,560,720 |  |  |  |
Balance at Jun. 30, 2021 |  |  |  |  |  |  | $ 0 | $ 41 | $ 542,864 | $ 3 | $ (90,627) | $ 452,281

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